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#!/bin/bash
#
# Copyright (c) 2014 Anand Subramanian anands@redhat.com
# Copyright (c) 2015 Red Hat Inc.
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
if [ -n "$OCF_DEBUG_LIBRARY" ]; then
. $OCF_DEBUG_LIBRARY
else
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
fi
ganesha_meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="ganesha_grace">
<version>1.0</version>
<longdesc lang="en">
This Linux-specific resource agent acts as a dummy
resource agent for nfs-ganesha.
</longdesc>
<shortdesc lang="en">Manages the user-space nfs-ganesha NFS server</shortdesc>
<parameters>
</parameters>
<actions>
<action name="start" timeout="40s" />
<action name="stop" timeout="40s" />
<action name="status" depth="0" timeout="20s" interval="5s" />
<action name="monitor" depth="0" timeout="20s" interval="5s" />
<action name="meta-data" timeout="20s" />
</actions>
</resource-agent>
END
return $OCF_SUCCESS
}
ganesha_grace_usage() {
echo "ganesha.nfsd USAGE"
}
# Make sure meta-data and usage always succeed
case $__OCF_ACTION in
meta-data) ganesha_meta_data
exit $OCF_SUCCESS
;;
usage|help) ganesha_usage
exit $OCF_SUCCESS
;;
*)
;;
esac
ganesha_grace_start()
{
local result=""
local resourcename=""
local deadserver=""
local tmpIFS=${IFS}
# logger "ganesha_grace_start()"
# we're here because somewhere in the cluster one or more
# of the ganesha.nfsds have died, triggering a floating IP
# address to move. Resource constraint location rules ensure
# that this is invoked before the floating IP is moved.
if [ -e /var/run/ganesha.nfsd.pid -a \
-d /proc/$(cat /var/run/ganesha.nfsd.pid) ]; then
# my ganesha.nfsd is still running
# find out which one died?
pcs status | grep dead_ip-1 | sort > /tmp/.pcs_status
result=$(diff /var/run/ganesha/pcs_status /tmp/.pcs_status | grep '^>')
if [[ ${result} ]]; then
# logger "ganesha_grace_start(), ${result}"
IFS=$'\n'
for line in ${result}; do
resourcename=$(echo ${line} | cut -f 1 | cut -d ' ' -f 3)
deadserver=${resourcename%"-dead_ip-1"}
if [[ ${deadserver} ]]; then
# logger "ganesha_grace_start(), ${line}"
# logger "ganesha_grace_start(), dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver}"
dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver}
if [ $? -ne 0 ]; then
logger "warning: dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver} failed"
fi
fi
done
IFS=${tmpIFS}
fi
fi
return $OCF_SUCCESS
}
ganesha_grace_stop()
{
# logger "ganesha_grace_stop()"
return $OCF_SUCCESS
}
ganesha_grace_monitor()
{
# logger "ganesha_grace_monitor()"
pcs status | grep dead_ip-1 | sort > /var/run/ganesha/pcs_status
return $OCF_SUCCESS
}
ganesha_grace_validate()
{
return $OCF_SUCCESS
}
ganesha_grace_validate
# logger "ganesha_grace ${OCF_RESOURCE_INSTANCE} $__OCF_ACTION"
# Translate each action into the appropriate function call
case $__OCF_ACTION in
start) ganesha_grace_start
;;
stop) ganesha_grace_stop
;;
status|monitor) ganesha_grace_monitor
;;
*) ganesha_grace_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
rc=$?
# The resource agent may optionally log a debug message
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION returned $rc"
exit $rc
|
